Article: Researchers from University of Pennsylvania detail new studies and findings in the area of life sciences.

"VSMCs exhibit the remarkable plasticity required for development and adaptation of the cardiovascular system. The capacity of VSMCs to modulate their phenotype has evolved to facilitate angiogenesis and wound healing, but it has also been implicated in the pathogenesis of atherosclerosis, restenosis, posttransplant arteriopathy, and pulmonary hypertension," investigators in the United States report (see also Life Sciences).

"In this issue of the JCI, Boettger and colleagues report that the recently discovered Mir143/145 gene cluster promotes acquisition of the contractile phenotype of murine VSMCs (see the related article beginning on page 2634). These ...

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